Central processing unit, Basic Computer Science

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The Central Processing Unit : Central Processing Unit (CPU) is the brain of the computer. The intricate electronic circuitry of the CPU performs the computer's tasks of handling data.

It is composed of

i) The Arithmetic Logic Unit or ALU, which computes mathematical functions, like addition, subtraction, multiplication and division

ii) The control unit which carries out the computations and coordinates the movement of data and executes the instruction given to the computer.

The CPU receives programs and data through input devices, processes it and gives out the result through output devices.

 

 


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